Question

Please HELP! URGENT!! Lets say that if 1cm represent 1m in real life, what will 1mm represent?

Answer 1

1 mm = 0,1 cm

1 cm - 1 m
0,1 cm - x  m

$x=\dfrac{0,1\cdot1}{1}=0,1 \text{ m}=10\text{ cm}$